Operation of a full-service communication and advertising agency: from strategy and conception to planning and consulting to creation and realization or realization management or supervision of classical above-the-line and below-the-line advertising media as well as measures related to new media; may establish branches and subsidiaries, participate in other companies, acquire, encumber, sell and manage real estate, arrange financing for its own and third-party accounts, and grant guarantees and sureties for subsidiaries and third parties.